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- ft2700rh.4
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- Note #1:
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- Cut orange wire coming out from plug.
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- Solder two wires to orange wire coming from CNTL unit, one each to points
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- marked [X] on the diagram above.
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- Solder orange wire from plug, pin 3, to ground for dim display light,
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- or leave unconnected for bright display light.
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- Note #2:
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- Pins #4 and #5 of U1 are No Connection
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- Note #3:
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- Both modules are built separately, and encapsulated to prevent shorts
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- Module "A" is located on top of PA module on VHF board
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- Module "B" is tucked behind CNTL panel in front of radio.
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- Components:
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- R1: 2.2K C1: 0.1 UFD K1 & K2: reed relays,
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- R2: 3.2K C2: 10 UFD 12V @ 1050 ohms
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- R3: 47K VR1: 35K pot RS #275-233
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- R4: 15K D1: 1N914 diode U1: NE555
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- Q1: 2N3638A or equivalent
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- Downloaded From P-80 International Information Systems 304-744-2253
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